Thickened high quality metal material, sturdy structure, durable and strong, not easy to corrode, can be used for a long time One pair, regardless of the left and right, please check the size before purchase Suitable for most of the electric lift chairs, attach recliners sofa backrest and armrest Quick installation, simple repair, make your power recliner chair work again Any problem, we will solve it for you KD Clip Brackets 2 PCS Furniture Recliners Sofa Attachment Attach Backrest and Armrest